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Principal Scientist (Agrl Entomology)
Division of Entomology & Nematology
ipm in vegetables
Experience (No. of Years):
Melon fly management in cucurbits by using relatively less toxic chemicals and botanicals in Andamans
Coconut Rhinoceros beetle management by using Sime RB pheromone traps in Andamans
Discovered the presence of yet another rice stem borer, the white stem borer with already existing yellow and pink stem borers in Andamans
Surveyed for dacine fruit fly fauna of Andamans as well as Nicobars; consisted of over 12 dacine species some of them economically important (Quarantine) pests for Andaman & Nicobar Islands
Conducted IPM schools for farmers (Yellow stem borer management in rice) in collaboration with Central Integrated Pest Management centre in south Andamans
Brought out a technical bulletin highlighting major insect pests and their natural enemies of agri-horti-silvicultural plants of Andaman & Nicobar Islands
Artificial diet to rear gherkin fruit borer Diaphania indica
Evaluation of pheromones for the management of brinjal shoot & fruit borer in collaboration with IICT, Hyderabad
Mass multiplication of Thrips palmi- a vector of watermelon Bud necrosis Virus (WBNV)
Fruit fly fauna of underutilized fruits
House dust mite and Stored food product acarine taxonomy
Plant feeding mites taxonomy
Seshadri Shivahankar, Manoharan Sumati, Nallur Kodandaraman Krioshna Kumar and Hassan r. Ranganath, 2011 , Oxidative response of Chayote sechium eule (Jacq) and bittergourd Momordica charantia L as determinants of host plantresistance to infestationby melon fly Bactrocera cucurbitae (Coq.) J. Hort Sci Biotech
Ranganath, H. R. Shyam Prasad, G and Sheeba, 2002.The sedge Eleocharisdulcis (Burm.f.) (Cyperaceae) traps rice white stem borer Scirpophagainnotata (Walker) (Lepidoptera: Pyralidae) in Andamans.Current Sci. 83 (4): 371
Kalleshwara swamy, C.M., Krishna Kumar, N. K., Dinesh, M.R., Verghese, A., Ranganath, H. R. and Venugopalan, R. 2007 ,Role of transient aphid vectors on the temporal spread of papaya ring spot virus in South India .Acta Hort. 740, 251-258
Ranganath H. R. and. Veenakumari, K 2000. Carambola fruit fly: Can we prevent its entry into mainland India?Current Sci. 78 (4): 373
Asokan, R., Krishnakumar, N.K. Kumar, V and Ranganath, H.R. 2007. Molecular differences in the mitochondrial cytochrome oxidase I (mtCOI) gene and development of species specific marker for onion thrips Thripstabaci Lindeman and Melon thrips T. palmi Karny (Thysanoptera: Thripidae), vectors of tospo viruses (Bunyaviridae).Bulletin of Entomological Research,97: 1-10
Bhatti, J.S. and Ranganath, H.R. 2006 A Remarkable new thripid (Terebrantia: Thripidae) from Jak trees (Moraceae) in Bangalore (Karnataka), India.Oriental Insects 40: 379-380. Florida, USA
Awards & Recognitions, Patents, Inventions, etc:
Founder member, Society for Advancement of Horticulture, IIHR, Bnagalore